Water pump GRAF or Hepu

I bought this KIT from SHOPDAP and it was a breeze to install. The price at SHOPDAP is great too.

Graf with the metal impeller. No issues.

I've used Graf water pumps on two different E46s without any issues.

Hepu is OEM, never had any issues with one.

I ordered the kit from urotuning for my gfs 01 golf, been in for almost 2 years now no issues. They use a Graf water pump with a metal impeller.

I picked up a 3.6 brass impeller Graf waterpump for under $50 from www.autohausaz.com they also sell the oem thermostat.

As far as a water pump, the $24 Graf is your best choice. If you need the entire pump....that will cost more. I have also gotten very good water pumps from O'Reilley auto as well.....believe it or not. You probably should shy away from the plastic impellars.

This was a Hepu pump. With far less than 60k miles. I'm thinking the coolant had gotten too old. Can't figure why else the pump would wear so fast. Noise statrted after coolant change, am running an AC delete setup.

I just lost my motor on christmas day due to water pump failure (hepu brand)

Okay, so I installed a new aftermarket pump in my MK4 Jetta 2.0 last year. Went with the seemingly highly recommended GRAF metal impeller pump that many forum members across multiple forums seemed to stand behind... 14K miles later and it's leaking. Anyway, after doing some more research, it seems that it's considerably more common for aftermarket metal impeller pumps (especially GRAF, but seemingly all of them from what I can find) to fail prematurely for some reason...